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Goui
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Frequently asked questions

Everything you need to know about charging, power banks, and getting the most out of your Goui gear.

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Fast charging delivers higher power (20W, 30W, 65W, or more) so devices charge much quicker than with standard 15W chargers. Compatible phones/tablets negotiate power with the charger to receive higher wattage safely.

No. Certified chargers/cables and your device's power management control heat and current. Prolonged high temperatures can age batteries, so the device reduces speed when it gets warm to protect longevity.

Yes. Use a high-quality cable rated for the target wattage (e.g., USB-C to USB-C 60W/100W). A low-spec cable can limit speed or prevent fast charging entirely.

Wireless is convenient but typically slower and less efficient. A 15W wireless pad often charges slower than a 20W+ wired charger and may produce more heat.

It's a common baseline for chargers and some wireless pads. It reliably charges most phones but slower than fast-charge options (20W+).

Yes. Multi-port USB-C PD chargers auto-adjust output per device (phone, tablet, earbuds, laptop). Ensure total wattage covers everything you'll plug in at once.

Capacity: 10,000 mAh ≈ 2–3 phone charges; 20,000 mAh ≈ 4–6. Output: 18W+ for phones; 30–65W for tablets/laptops. Ports: USB-C PD preferred. Size/weight: Higher capacity = bigger.

Yes, in carry-on only. Most airlines allow up to 100Wh (≈27,000 mAh). Larger capacities may need airline approval. Check your airline's policy before travel.

Yes, with certified chargers/power banks. Heavy use (gaming, 4K video) may add heat and slightly slow charging as the device throttles to stay safe.

Look for on-screen labels like “Fast Charging/Super Charging.” You can also compare your charger's wattage to device specs or use a USB power meter for confirmation.

Yes, if the case is thin (≈≤3–5 mm). Thick cases, metal plates, and some magnets can block or slow charging. Remove bulky accessories for best results.

No. Some offer only basic 5–15W. Others support fast-charging protocols like USB Power Delivery (PD), Quick Charge (QC), or PPS for newer phones. Choose certified chargers matching your device's max wattage.

Refunds: please allow 3–5 business days from the time your package arrives back to us for a refund to be issued.